Keystone 4FT LED Linear High Bay 40,500 Lumens 270W 4000K 120–277V Frosted

Keystone KT-HBLED270-4F-840-VDIM-P /G2 (QQW-85) 4ft Industrial LED High Bay — 270W

The Keystone KT-HBLED270-4F-840-VDIM-P /G2 is a 4FT LED linear high bay delivering approximately 40,500 lumens at 4000K with a frosted lens for balanced illumination. Operating on 120–277V, this fixture features energy-efficient performance, 0–10V dimmable driver, and an architectural design for industrial and commercial spaces. It is UL 1598 Listed for dry and damp locations and backed by a 10-year limited warranty.

Key Features

• Easy Code: QQW-85
• Wattage: 270W
• Delivered Lumens: ~40,500
• Color Temperature: 4000K
• Voltage: 120–277V
• Dimming: 0–10V dimmable
• CRI: >80
• Power Factor: >0.90
• THD: <20%
• Lifetime: L70 >100,000 hrs
• Lens: Frosted PMMA diffuser
• Certifications: UL Listed 1598, DLC Premium
• Location Rating: Dry / Damp
• Operating Temp: –4°F to +122°F (–20°C to +50°C)
• Warranty: 10-Year Limited Warranty
  

Typical Applications

• Warehouses
• Distribution centers
• Manufacturing facilities
• Industrial workshops
• Retail stockrooms

Performance & Light Output
Delivers approximately 40,000 lumens at 270W. System efficacy is consistent with industrial high bay performance standards. CCT is fixed at 4000K with standard commercial CRI performance. Designed for long service life in high ceiling applications.

Electrical & Controls
Operates on 120–277V, 50/60Hz with integrated constant current driver. Includes 0–10V dimming capability for compatible control systems.

Construction & Durability
Industrial-grade housing with integrated lens system. Suitable for damp indoor environments. Engineered for commercial and industrial installations requiring consistent high-output illumination.

Installation & Mounting
Designed for suspended mounting. Compatible with V-hook and chain installation. Surface and pendant mounting kits available separately.

Included
LED high bay fixture, V-hooks, and chain mounting hardware.

Accessories
Optional accessories include aircraft cable kits, pendant mount kits, surface mount kits, wire guard kits, PIR occupancy sensors, Smart Port sensor options, and emergency battery backup kits (model dependent).